[PATCH] ide: cleanup ide.h
Remove:
* stale comment
* unused HOST() macro
* unused ata_{error,control}_t types
* unused atapi_select_t type
* ide_init_subdrivers() prototype
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
Родитель
d36fef6f5a
Коммит
517bd1d5ea
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@ -23,17 +23,6 @@
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#include <asm/io.h>
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#include <asm/semaphore.h>
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/*
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* This is the multiple IDE interface driver, as evolved from hd.c.
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* It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15).
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* There can be up to two drives per interface, as per the ATA-2 spec.
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*
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* Primary i/f: ide0: major=3; (hda) minor=0; (hdb) minor=64
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* Secondary i/f: ide1: major=22; (hdc or hd1a) minor=0; (hdd or hd1b) minor=64
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* Tertiary i/f: ide2: major=33; (hde) minor=0; (hdf) minor=64
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* Quaternary i/f: ide3: major=34; (hdg) minor=0; (hdh) minor=64
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*/
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/******************************************************************************
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* IDE driver configuration options (play with these as desired):
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*
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@ -193,11 +182,6 @@ typedef unsigned char byte; /* used everywhere */
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#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */
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#define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */
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#define HOST(hwif,chipset) \
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{ \
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return ((hwif)->chipset == chipset) ? 1 : 0; \
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}
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/*
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* Check for an interrupt and acknowledge the interrupt status
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*/
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@ -390,45 +374,6 @@ typedef union {
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} b;
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} ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
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/*
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* ATA-IDE Error Register
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*
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* mark : Bad address mark
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* tzero : Couldn't find track 0
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* abrt : Aborted Command
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* mcr : Media Change Request
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* id : ID field not found
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* mce : Media Change Event
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* ecc : Uncorrectable ECC error
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* bdd : dual meaing
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*/
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typedef union {
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unsigned all :8;
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struct {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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unsigned mark :1;
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unsigned tzero :1;
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unsigned abrt :1;
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unsigned mcr :1;
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unsigned id :1;
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unsigned mce :1;
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unsigned ecc :1;
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unsigned bdd :1;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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unsigned bdd :1;
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unsigned ecc :1;
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unsigned mce :1;
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unsigned id :1;
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unsigned mcr :1;
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unsigned abrt :1;
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unsigned tzero :1;
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unsigned mark :1;
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#else
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#error "Please fix <asm/byteorder.h>"
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#endif
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} b;
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} ata_error_t;
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/*
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* ATA-IDE Select Register, aka Device-Head
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*
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@ -503,39 +448,6 @@ typedef union {
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} b;
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} ata_status_t, atapi_status_t;
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/*
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* ATA-IDE Control Register
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*
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* bit0 : Should be set to zero
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* nIEN : device INTRQ to host
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* SRST : host soft reset bit
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* bit3 : ATA-2 thingy, Should be set to 1
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* reserved456 : Reserved
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* HOB : 48-bit address ordering, High Ordered Bit
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*/
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typedef union {
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unsigned all : 8;
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struct {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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unsigned bit0 : 1;
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unsigned nIEN : 1;
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unsigned SRST : 1;
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unsigned bit3 : 1;
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unsigned reserved456 : 3;
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unsigned HOB : 1;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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unsigned HOB : 1;
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unsigned reserved456 : 3;
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unsigned bit3 : 1;
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unsigned SRST : 1;
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unsigned nIEN : 1;
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unsigned bit0 : 1;
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#else
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#error "Please fix <asm/byteorder.h>"
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#endif
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} b;
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} ata_control_t;
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/*
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* ATAPI Feature Register
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*
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@ -617,39 +529,6 @@ typedef union {
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} b;
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} atapi_error_t;
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/*
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* ATAPI floppy Drive Select Register
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*
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* sam_lun : Logical unit number
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* reserved3 : Reserved
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* drv : The responding drive will be drive 0 (0) or drive 1 (1)
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* one5 : Should be set to 1
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* reserved6 : Reserved
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* one7 : Should be set to 1
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*/
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typedef union {
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unsigned all :8;
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struct {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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unsigned sam_lun :3;
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unsigned reserved3 :1;
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unsigned drv :1;
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unsigned one5 :1;
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unsigned reserved6 :1;
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unsigned one7 :1;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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unsigned one7 :1;
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unsigned reserved6 :1;
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unsigned one5 :1;
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unsigned drv :1;
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unsigned reserved3 :1;
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unsigned sam_lun :3;
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#else
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#error "Please fix <asm/byteorder.h>"
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#endif
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} b;
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} atapi_select_t;
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/*
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* Status returned from various ide_ functions
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*/
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@ -1298,7 +1177,6 @@ extern int ide_spin_wait_hwgroup(ide_drive_t *);
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extern void ide_timer_expiry(unsigned long);
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extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
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extern void do_ide_request(request_queue_t *);
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extern void ide_init_subdrivers(void);
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void ide_init_disk(struct gendisk *, ide_drive_t *);
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